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vivado [14]
3 years ago
7

Solve by using substitution. y=3x 2x+ 5y = 34​

Mathematics
2 answers:
klemol [59]3 years ago
8 0
If ur solving for x and y the answer is:

x=2 and y=6

my work below: (hope this helps!)

viktelen [127]3 years ago
4 0

Answer:

x= 3y

​x=− 25y+17

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At summer camp ther eare 52 boys, 47 girls, and 18 adults. How many people are at summer camp?
RoseWind [281]

Answer: 117 people at summer camp

Step-by-step explanation:

52+47+18=117

117 people

3 0
3 years ago
List the information as ordered pairs (weeks, total dollars saved).
morpeh [17]
Marcus
Weeks  Total Saved    (x, y)
1             10                   (1,10)
2           20                   (2, 20)
3           30                   (3 30)
4           40                   (4, 40)

David
Weeks  Total Saved    (x, y)
1             15                   (1, 15)
2           30                   (2, 30)
3           45                   (3, 45)
4           60                   (4, 60)
8 0
4 years ago
Use the digits 2,3,and 4 one time each to correctly complete the following problem. __00 * __ __ = 6,800
azamat

Answer:

200*34=6800

Step-by-step explanation:

Write the possible combinations like

200*34

200*43

300*24

300*42

400*32

400*23

then you chose what will give you 6800 as the answer

4 0
3 years ago
I have the area of a circle but how do i find it’s radius
Vilka [71]

Answer:

The radius of the circle is half its diameter. It's the length from the center point straight out to the edge.

8 0
3 years ago
The hypotenuse of the right triangle is 5 meter long. the shorter leg is 1 Meter shorter than the longer leg. find the side leng
Firlakuza [10]

Shorter leg = x

Longer leg = x +1

Length of the hypotenuse: 5 m ​

We can use the pythagorean theorem with the information given. Doing so, we have:

\begin{gathered} a^2+b^2=c^2 \\ (x)^2+(x+1)^2=5^2\text{ (Replacing the values)} \\ x^2+x^2+2x+1=25\text{ (Raising both terms to the power of 2)} \\ x^2+x^2+2x=25-1\text{ (Subtracting 1 from both sides of the equation)} \\ 2x^2+2x=24\text{ (Adding like terms)} \\ 2x^2+2x\text{ }-24=0\text{ (Subtracting 24 from both sides of the equation)} \\ 2(x+4)(x-3)=0\text{ (Factoring)} \\ x1=-4\text{ (Since x=-4 makes the factor (x+4) equal to 0)} \\ x2=3\text{ (Since x=3 makes the factor (x}-3\text{) equal to 0)} \\ \text{ Since we need a positive solution x would be equal to 3} \end{gathered}

So, the answers would be:

Shorter leg = 3 m

Longer leg = 4 m

Length of the hypotenuse: 5 m

6 0
1 year ago
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